The rubber coating strengthens the tube which therefore vibrates less and produces less noise, extending its life. Specifications:
- external diameter: 6 mm
- internal diameter: 2 mm
- thickness: 2 mm
- length: 450 mm
- nuts: M12x1,5 mm - M14x1,5 mm
Similar to Bosch reference 1 680 750 073, Hartridge AHP120

High pressure test pipes for test bench (unbent) , covered by rubber
Specifications:
- external diameter: 6 mm
- internal diameter: 2 mm
- thickness: 2 mm
- length: 840 mm
- nuts: M12x1,5 mm - M14x1,5 mm
Similar to Bosch reference 1 680 750 017, Hartridge AHP118

Test bench piping
Steel, rubber piping for test benches ISO normative
Specifications:
- external diameter: 6 mm
- internal diameter: 2 mm
- thickness: 2 mm
- length: 600 mm
- nuts: M14x1,5 mm - M14x1,5 mm
Similar to Bosch reference 1 680 750 008, Hartridge AHP119

Steel,rubber piping for test benches ISO normative (ØE 6 ≠2,2 l=350 mm) nutsM12x1,5/14x1,5 (BH 1 680 750 085 )

Steel test pipe ISO 4093-3 (ØE 6 ≠1,5 l=600 mm) nuts M14x1,5/14x1,5 - rubber covered ( (BH 1 680 750 015 )

Steel test pipe ISO 4093-3 (ØE 6 ≠2 l=600 mm) nuts M12x1,5/14x1,5 - rubber covered ( (BH 1 680 750 014 )